What's the difference between repeat and undo?

Repeat


Definition:

  • (v. t.) To go over again; to attempt, do, make, or utter again; to iterate; to recite; as, to repeat an effort, an order, or a poem.
  • (v. t.) To make trial of again; to undergo or encounter again.
  • (v. t.) To repay or refund (an excess received).
  • (n.) The act of repeating; repetition.
  • (n.) That which is repeated; as, the repeat of a pattern; that is, the repetition of the engraved figure on a roller by which an impression is produced (as in calico printing, etc.).
  • (n.) A mark, or series of dots, placed before and after, or often only at the end of, a passage to be repeated in performance.

Example Sentences:

  • (1) Clinical surveillance, repeated laboratory tests, conventional radiology, and especially ultrasonography and CT scan all contributed to the preoperative diagnosis.
  • (2) Nine of 14 patients studied for documented clinical relapse had positive repeat studies.
  • (3) Comparison of wild type and the mutant parD promoter sequences indicated that three short repeats are likely involved in the negative regulation of this promoter.
  • (4) Pituitary weight, mitotic index and chromosomes were studied in male rats following a single or repeated dose of estradiol-benzoate for a total period of 210 days.
  • (5) A chronic cannulation procedure is described which allows for sampling vomeronasal organ (VNO) contents repeatedly in freely moving conscious subjects.
  • (6) The region containing the injection stop signal (iss) has been cloned and sequenced and found to contain numerous large repeats and inverted repeats which may be part of the iss.
  • (7) In view of reports of the reduction of telomeric repeats in human malignant tumors, we measured the lengths of telomeric repeats in 55 primary neuroblastomas.
  • (8) A domain containing a CA repeat, similar to ones found in other late, cAMP-induced Dictyostelium genes, is required for cAMP-induced and developmental expression.
  • (9) But it will be a subtle difference, because it's already abundantly clear there's no danger of the war being suddenly forgotten, or made to seem irrelevant to our sense of what Europe and the world has to avoid repeating.
  • (10) An axillo-axillary bypass procedure was performed in a high-risk patient with innominate arterial stenosis who had repeated episodes of transient cerebral ischemia due to decreased blood flow through the right carotid artery and reversal of blood flow through the right vertebral artery.
  • (11) Intensity thresholds for eliciting eating and drinking were different, and both thresholds decreased with repeated testing.
  • (12) Our experience indicates that lateral rhinotomy is a safe, repeatable and cosmetically sound procedure that provides and excellent surgical approach to the nasal cavity and sinuses.
  • (13) In crosses between inverted repeats, a single intrachromatid reciprocal exchange leads to inversion of the sequence between the crossover sites and recovery of both genes involved in the event.
  • (14) Each species has approximately 500 core histones cluster repeats per haploid genome.
  • (15) We identified four distinct clinical patterns in the 244 patients with true positive MAI infections: (a) pulmonary nodules ("tuberculomas") indistinguishable from pulmonary neoplasms (78 patients); (b) chronic bronchitis or bronchiectasis with sputum repeatedly positive for MAI or granulomas on biopsy (58 patients, virtually all older white women); (c) cavitary lung disease and scattered pulmonary nodules mimicking M. tuberculosis infection (12 patients); (d) diffuse pulmonary infiltrations in immunocompromised hosts, primarily patients with AIDS (96 patients).
  • (16) Examinations, begun at day 150 of gestation in 33 monkeys and between days 32 and 58 in four other animals, were repeated at intervals of one to seven days.
  • (17) During that time they have repeatedly demonstrated the likely existence of signalling molecules or morphogens that control the pattern of development in the embryo.
  • (18) Male guinea pigs received either a single dose of As2O3 10 mg.kg-1 s.c. or repeated doses of 2.5 mg.kg-1 bis in die (b.i.d.)
  • (19) Plasmids containing the inverted repeat alone bound ER, though less efficiently than did plasmids containing the entire sequence.
  • (20) These studies indicate that at each site of induction during feather morphogenesis, a general pattern is repeated in which an epithelial structure linked by L-CAM is confronted with periodically propagating condensations of cells linked by N-CAM.

Undo


Definition:

  • (v. t.) To reverse, as what has been done; to annul; to bring to naught.
  • (v. t.) To loose; to open; to take to piece; to unfasten; to untie; hence, to unravel; to solve; as, to undo a knot; to undo a puzzling question; to undo a riddle.
  • (v. t.) To bring to poverty; to impoverish; to ruin, as in reputation, morals, hopes, or the like; as, many are undone by unavoidable losses, but more undo themselves by vices and dissipation, or by indolence.

Example Sentences:

  • (1) We cannot undo the damage it ha€™s done to our air quality,” she said.
  • (2) I am not a Muslim but I see that the cover has been read as yet more provocation, even an undoing of the unity of the marches in Paris and other cities.
  • (3) Amid public outcry over the Bettencourt case, Sarkozy is now likely to be forced into a U-turn before the next election, undoing his tax reforms.
  • (4) His interventions over the next week - first with the miners then with his former army colleagues as hundreds of thousands took to the streets of Belgrade - would prove his ex-master's undoing.
  • (5) He told the chair, Alexis Jay: “We will never be able to undo the wrongdoing to these children.
  • (6) But the role opened my eyes to certain aspects of online gaming, such as harassment, abuse, threats and even stalking, and in many ways, it is an unhappy experience that I wish I could undo.
  • (7) With three weeks left to election day, the onus is on Obama to mount a strong comeback in Tuesday's Long Island debate to undo some of the damage caused by his dismal showing in the first of the presidential debates in Denver a fortnight ago.
  • (8) Obama won praise from world leaders for his promises to undo George Bush's environmental record, but there is growing scepticism abroad that Democrats will be able to overcome opposition in Congress and pass legislation that would put America on a path to cutting its carbon emissions.
  • (9) Arab regional governments – and even Iran – have belatedly seen their own storm clouds of extremism, but there is tremendous work required to undo what has been done.
  • (10) All efforts to undo environmental protections put in place by Obama, he said, would face lengthy and compulsory processes of consultation and review, as well as the strongest possible legal challenges at every turn.
  • (11) President-elect Trump will be able to undo the programs and cast them into the dustbin of history with equal speed and ease.
  • (12) Against the top sides England will leak goals, and that will ultimately be our undoing.
  • (13) He is praised for responding to a chemical attack in Syria with airstrikes, for generally projecting strength in foreign policy, for undoing Obama-era regulations on the environment and business, for installing a conservative supreme court justice, for protecting American jobs, and for not letting people tell him what he can’t do.
  • (14) Now Google might be required to undo the changes – although Auke Haagsma, a lawyer advising the lobby group Icomp , which is critical of Google's policies, said that would be like trying to "unscramble the egg".
  • (15) The projected increase in 2016 would return poverty rates to their 2007 levels, undoing nearly a decade’s worth of gains,” the report stated.
  • (16) Labour cannot afford to undo the coalition's cuts in the next government and must expect to be unpopular, one of the party's most senior finance spokesmen will say on Friday.
  • (17) Jeremy’s main fault was his unfortunate choice of friends – notably Peter Bessell MP, who jointly and foolishly entered into the long-running payoff drama with Scott which was his undoing.
  • (18) It has helped cement Qatar’s international reach and legitimacy, yet ironically has now played a part in its undoing.
  • (19) The former Irish prime minister John Bruton says it would “undo much of the work of the peace process and create huge questions over borders and labour market access”.
  • (20) The author examines how these negative affects, the accompanying victim role, and oppositional defiance enable angry adolescents to defend against depression and loss, to demand nurturance from others, to protect their precarious inner autonomy, and to undo their humiliation and shame by vengeance and reversal.